Fix IE status message on MacOS

CMakeLists.txt

@@ -1583,11 +1583,16 @@ if(WITH_INF_ENGINE OR INF_ENGINE_TARGET)
   if(INF_ENGINE_TARGET)
     set(__msg "YES (${INF_ENGINE_RELEASE} / ${INF_ENGINE_VERSION})")
     get_target_property(_lib ${INF_ENGINE_TARGET} IMPORTED_LOCATION)
-    if(NOT _lib)
-      get_target_property(_lib_rel ${INF_ENGINE_TARGET} IMPORTED_IMPLIB_RELEASE)
-      get_target_property(_lib_dbg ${INF_ENGINE_TARGET} IMPORTED_IMPLIB_DEBUG)
-      set(_lib "${_lib_rel} / ${_lib_dbg}")
-    endif()
+    get_target_property(_lib_imp_rel ${INF_ENGINE_TARGET} IMPORTED_IMPLIB_RELEASE)
+    get_target_property(_lib_imp_dbg ${INF_ENGINE_TARGET} IMPORTED_IMPLIB_DEBUG)
+    get_target_property(_lib_rel ${INF_ENGINE_TARGET} IMPORTED_LOCATION_RELEASE)
+    get_target_property(_lib_dbg ${INF_ENGINE_TARGET} IMPORTED_LOCATION_DEBUG)
+    ocv_build_features_string(_lib
+      IF _lib THEN "${_lib}"
+      IF _lib_imp_rel AND _lib_imp_dbg THEN "${_lib_imp_rel} / ${_lib_imp_dbg}"
+      IF _lib_rel AND _lib_dbg THEN "${_lib_rel} / ${_lib_dbg}"
+      ELSE "unknown"
+    )
     get_target_property(_inc ${INF_ENGINE_TARGET} INTERFACE_INCLUDE_DIRECTORIES)
     status("    Inference Engine:" "${__msg}")
     status("                libs:" "${_lib}")